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    <title>Document</title>
    <script src="https://cdn.bootcss.com/vue/2.6.11/vue.min.js"></script>
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<body>
    <div id="app">
        <a v-bind:title="msg">床前明月光</a>
        <a :title="msg2">凄凄惨惨戚戚</a>
    </div>

    <script>
        var app = new Vue({
            el: "#app",
            data: {
                msg: "李白",
                msg2: "李清照"
            }
        });
    </script>
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